DWYER Series 478A Digital Manometer

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Description

Series 478A Digital Manometer, Dual Pressure Measurement, Electronic Zeroing, ±1.5% Accuracy

 

DWYER Series 478A Digital Manometer can be used to measure positive, negative, or differential pressures. DWYER Series 478A Digital Manometer for both units are constructed of an extruded aluminum case for exceptional durability.

 

Features

  • One button auto-zero function
  • Auto power off function to conserve battery life
  • Rugged extruded aluminum housing
  • Instant selection of up to nine English/metric units
  • ±0.5% FS accuracy

 

Differential Pressure

Model Description
478A-0 Digital differential manometer, range -4 to 4″ w.c.
478A-1 Digital differential manometer, range -60 to 60″ w.c.

Model Chart

EXAMPLE 478A 0 NIST Series 478A-0-NIST Differential Pressure Digital Manometer, range -4.00 to 4.00″ w.c.., with NIST certificate of calibration.
SERIES 478A Differetnial Pressure Digital Manometer
RANGE 0
1		 -4.00 to 4.00″ w.c.
-60.0 to 60.0″ w.c.
OPTIONS NIST NIST Certificate of Calibration

 

Specifications

  • Service: Air and compatible gases.
  • Wetted Materials: Consult factory.
  • Accuracy: ±1.5% FS @ 72°F (22.2°C). Includes linearity and repeatability.
  • Pressure Hysteresis: ±0.1% of FS.
  • Pressure Limits: 5 psig (.34 bar).
  • Temperature Limits: 0 to 140°F (-17.8 to 60°C).
  • Compensated Temperature Limits: 32 to 104°F (0 to 40°C).
  • Thermal Effect: 0.05% F.S./°F.
  • Display: 4 digit LCD (.425″H x .234″W digits).
  • Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
  • Process Connections: Barbed connection for use with 3/16″ or 1/4″ I.D. tubing.
  • Weight: 10.8 oz (306 g).
  • Agency Approvals: CE.

 

Accessories

  • A-201: Rubber latex tubing has less tendency to kink in storage and occupies less space, thus is best for portable work. 3/16″ ID, 9′ length.
  • A-47X-BOOT: Rubber boot for manometers (manometer not included).
  • A-402A: Carrying case for most manometers; tough, gray nylon pouch, double zippered with belt loop

 

Additional information

Weight 1 kg
Model

478A-0, 478A-1

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